TY  - RPRT
TI  - Implementation of elastic-plastic structural analysis into NASTRAN
AU  - Levy, A.
AU  - Pifko, A. B.
AU  - Ogilvie, P. L.
PY  - 1983
UR  - https://ntrs.nasa.gov/citations/19840007538
ID  - 19840007538
ER  -